Water-meter.



J. M. BURTON.

WATER METER.

. APPLIGATION FILED-AUG. 28, 1913.

Log-73212; Patented May19,1914.

2 SHEETS-SHEET 1. :(3

J. M. BURTON.

WATER METER.

APPLICATION FILED AUG. 28, 1913.

Patented May 19, 1914.

2 SHEETS-SHEET 2.

Inventor:

W fi m W Z6 @w a a III W 1 Z m original application filed December 16,

JAMES in. remote, or none remap orrY, nEw'YonK, Assrcnon TO NEPTUNEME'rEn coinranv, on NEW roan, n. Y., A oonronarron on NEW J nsEY.

WATEWMETER.

Specification of Letters Patent.

To all whom it may concern:

Be it known that 1, JAMEs M. Bmrrorna citizen of the United States,residing in Long Island City, Queens county, State of New York, haveinvented certain new' and useful Improvements in' Water-Meters, of whichthe following is a specification, reference being had to theaccompanying drawings, which form. a part hereof.

In a co-pendingapplication filed December 15, 1911, Serial No. 665,924,of which this case'is a division, there is shown and described a watermeter which comprises a casing with a high -duty straight-flowunobstructed passage from inlet to outlet and a low-duty passage frominlet to outlet, a proportional metering device for high-duty flow atone side of the path of straight-flow and a separate'metering device forlow-duty flow.

The present invention has for. its object to provide improved valves tocontrol the high-duty passage and the low-duty passage of the'meters ofthe general type referred to above, constructed and cooperating so thatone valve is closed as the other opens, 'the closure of the low-dutyvalve taking place when the change from low-duty conditions to high-dutyconditions occurs, before the high-duty valve, actuated by the increasein the pressure diflerential, has moved sufficiently to permit theescape of water past it.

In accordance with the i vention, the opening movement of the hi h-dutyvalve is preferably caused, through suitable mechanical connections, toclose the low-duty valve and the invention consists in part in thedevices whereby such relative movement of the valves is efiectediReference is now to be had to the accompanying drawings for a detaileddescription of the invention in which Figure 1 is a view inlongitudinal, vertical section ofa meter which embodies the invention,the connections whereby the lowduty valve is closed by the openingmovement of the high-duty valve being shown in elevation. Fig. 2 is aviewin section on the planes indicated by the broken line 2-2 of Fig. 1.Fig. 3 is a view similar to Fig. 1 but showing the high-duty passageopen and the valves and their connections in the posi tions which theyassume under such conditions. fFigza is a detail view showing thevalveaia'nd their connections Fig. 5 is a deproportional metering devicetail view illustrating an adjusting device employed in the connectionsbetween the valves, the scale being larger than that of the otherfigures. Fig. 6 is a detail view in section on the plane lndicated bythe broken-line 6-6 of Fig. 5. Y

- For a clear understanding of the mode of operation of the improvedvalves and the valve connections it is believed that ageneraldescription of the metering devices proper will be conducive to aclearer understanding thereof. The casing at, having an inlet 6 and anoutlet 0 is shown as having a transverse wall a which is provided with ahigh-duty orifice a in a straight line with the inlet and the outlet andof substantially the same area, and with a low-duty orifice a at oneside of the straight-flow path, the wall n forming on one side an inletchamber a and ontheother side a'discharge chamber a An intermediatechamber a is formed line with the inlet Z) and the outlet 0, and anorifice or. orifices a at one side of the path of straight-flow, for theturbine wheel or wheels a from which the higb-duty register, indicatedat ai is. driven y a shaft a. in the usual manner.- "Thelow-duty-meterin device indicated ata, may also be 0 any usual orsuitable form, being shown as of the displacement or disk type, and asinclosed in a casing a in front of the orifice a It will be observedthat the inlet chamber a forms a higheduty straight-flow passage fromthe inlet 2) to the intermediate chambera, a proportional-flow passagefrom the inlet to the and a lowduty flow passage from the inlet to-thedischarge chamber a through the wheels of the low-duty metering devicea. When the high-duty straight-flow passage is closed by its valve, ashereinafter described, the entire by a Wall a which has an inlet nozzlea in a which supports the low-duty, valve. high-duty valve f comprisesamaln part f,

a part f which ismovable relatively to the main part and inthe samedirection and, preferably, a flexible-diaphragm f which overlies themain part f and the relatively movable part f and is pressed by themain'part f against the valve seat d. In the construction shown, the faceofthe main part f'-is recessed, as atto receive the relatively, movablepart f and the stem f of the latter is. projectedrearwardly through themain part f and is pivOtallyandloosely connected to two toggle leversif" which are pivoted as at f on the main. part f. A yoke f is pivotallyconnected at its ends to toggle levers i between their pivot points fand the-stem f and is itself pivoted upon an arm or arms 9 mounted on ashaftg which is supported in suitable bearings inbracket arms 9 securedto the wall a An arm 9 (shown in dotted lines in Figs. 1 and 3) fixed onthe shaft 9, carries a roller 9 which bears against a cam arm h. Thelatter-is pivoted as at h and has suspended therefrom a weight It. Bythese means the high-duty valvev f is heldfto its seat against the lowpressure differential, but when the pressure differential rises abovethe predetermined degree and the valve 1 is opened, the roller 9* actsagainst the undersideof the cam lever h to swing the same-on its pivot,against the resistance'of the weight k and as the arm 9 rises the camarm is swung back to carry the weight k toward the vertical plane of theaxis of the cam arm, whereby the resistance offered by the weight to.the opening of the valve is reduced and the valye offers practically noresistance to the passage of the water under it, the valve being raisedmeanwhile to a position above the path of straight-flow.

The low-duty valve is closed during the initial movement of the part fof the highduty valve and is thereafter held closed by means now to bedescribed. To the shaftg' is secured an arm 5 and loosely mounted on theshaft, adjacent to the arm '5, is a cam plate or quadrant is which isadjustable with respect to the arm 2' by means of an eccentric screw 71carried by the quadrant 7: and entering the slot 5 in the arm '5, sothat by a slight rotation of the screw z" the relative position of thearm and quadrant can be changed. The two parts may then be secured inadjusted position by a clamping screw 2'". The cam plate or quadrant kis formed with a cam path or groove, the

greater. portion 0" of which is concentric with the shaft 9' while a jogor offset is formed at one end. This cam path is indicated in Fig. 1, tothe position indicated in Fig. 4, the lever Z, which may becounterbalanced as at Z, is tilted quickly on its axis. The free end ofthe lever is connected by a link Z with an arm m on the shaft m of thelow-duty valve m which is pivotally mounted in the sleeve 6. The initialmovement of thequadrant is and the consequent closing of the valve m areeffected before the high-duty valve f leaves its seat by the relativemovement of the part f of the valve, for as the pressure differentialrises above the predetermined degree the excess of pressure on thediaphragm f presses the" latter. toward the outlet and so moves the parti with respect to the main part f. of the valve. This movement of thepart f moves the toggle levers f on their pivots and, through the yoke farm 9, shaft gf and arm 71, imparts to the quadrant k that degree ofmotion which is necessary to effeet the movement of the valve lever Z toclose the-valve m before the diaphragm f is moved from its' seat againstthe sleeve d. As the low-duty valve is closed and the entire pressuredifferential is exerted against the diaphragm i the whole valve y thenmoves away from the valve seat and into the position represented in Fig.3. The posi tions which the parts assume at theinitial movementofthepart 77 of the valve are clearly shown in Fig. 4.

It willbe understood without further explanation that the entire flow,under lowduty conditions, is measured by the lowduty measuring device a,the high-duty valve beingthen closed and the low-duty valve open, andthat under high-duty conditions, the high-duty valve being open and thelow-duty valve closed, the high-duty flow is measured proportionally bythe highduty proportional metering device a, a

and a.

Other forms of metering devices than those indicated may be employed tosuit different conditions of useand-may be arranged as may be .mostconvenient. The

'construction of the valves and of the mechanical devices by which themovement of. the one is efiected from the other may also be changed. tosuit different conditions.

The invention, therefore, is not restricted to.

the particular construction and arrangement of parts shown and describedherein I claim as my 1nvent1on:- l. The combination. with a meter casinghavin a transverse wall with an aperturetheret rough, of a valve toclose said aperture, said valve comprislng a main part and a centralpart movable with respectto the main part and in the same directiontherewith and an independent valve to which one of the parts of saidfirst named valve is operatively connected, said relative movementbetween said parts permitting said independent valve to be moved uponthe movement of one of said parts and prior to the between the valveseat and the valve and i an independent valve to which one of thecarried by the valve and an independent valve to which one of the partsof said first named valve is operatively connected, saidrelativemovement between said parts permitting said'independent valve to bemoved upon the movement of one of said parts and prior to the movementof the other of said parts.

3. The combination with a meter casing having a transverse wall with anaperture therethrough, of a valve to close said aperture, said valvecomprising a main part, a

central part movable with respect to the main part and in the samedirection therewith, a flexible diaphragm secured to the main part andcovering the central part. and

parts of said first named valve is operatively connected, said relativemovement between said parts permitting said independent valve to bemoved upon the movement of one of said parts and prior to the movementof the other of said parts.

4. The combination with a meter casing having a transverse wall with anaperture therethrough, of a cam arm, a valve to close said aperture,said valve comprising a main part and a central part movable withrespect to the main part and in the'same direction therewith, a .leverpivotally con- .nected to the main part and to the central part, aconnection between said-lever and the cam arm and an independent valveto which one of the parts of said first named valve is operativelyconnected, said relative movement between said parts permitting saidindependent valve to be moved upon. the movement of one of said partsand prior to the movement of the other of said parts,

5. The combination with a meter casing havlng a transverse wall wlth anaperture therethrough, of a cam arm, a valve'to close said aperture,said valve comprising a main part and'a central part movable withrespect to the main part and inthe same direction therewith, togglelevers pivoted upon the main part and connected to the central part, ayoke connecting the toggle levers with the cam arm and an independentvalve to which one of the parts of said first named valve is operativelyconnected, said relative. movement betweensaid parts permitting saidindependent valve to be moved upon the movement of one of said parts andprior to the movement of the other of said parts. 7

6. The combination with .a meter casing having a transversewall with anaperture therethrough, ofa cam arm, a shaft to which the cam arm isfixed, an operating arm fixed to said shaft, an adjusting arm mountedloosely on said shaft, adjusting means to "adjust the relative positionof the two last named arms, -a valve connecting to said adjustlng armand an independent valve operatively connected to said operating arm.

7. The combination with a meter casing having a transverse wall with anaperture therethrough, of a camarm, a shaft to which the cam arm isfixed, an operating arm fixed to said shaft, an adjusting arm mountedloosely on said shaft, a cam arm engaging a slot in the loosely mountedarm, clamping means to clamp the loosely mounted arm in adjustedposition with respect to the cam arm, a valve connected to the rigid armand an independent valve'operatively connected to said operating arm.

This specification signed and witnessed Aug. 26th A. D., 1913.

- JAMES M. BURTON.

Signed in the presence of EDWIN F. 'MAJER,

Louis STEIN.

